Dining chair



FIG. 1 is a front view of a dining chair according to the present design;

FIG. 2 is the rear view thereof;

FIG. 3 is the left side view thereof;

FIG. 4 is the right side view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is the top thereof; and,

FIG. 7 is the bottom view thereof. 

The ornamental design for a dining chair, as shown and described. 